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<a name = "hj-top"> </a><table class = "table1" id = "table11"><tr><td><table class = "DocHeader"><tr><td class = "DocHeader1" colspan = "2"><h1>
<span class = "ph">SIMULIA Tosca Structure</span> Control</h1></td></tr><tr><td class = "DocHeader4" colspan = "2"/></tr><tr><td class = "DocHeader3" colspan = "2"><table class = "DocThemeIntro" id = "table12"><tr><td class = "Intro1"><p class = "header"><p class = "abstract">
<span class = "shortdesc">
<span class = "ph">SIMULIA Tosca Structure</span> 
consists of many individual software modules that load the
FE input and result data or modify the input files when required. 
The complete optimization process is controlled from one principal module named
<span class = "ph">SIMULIA Tosca Structure</span> Control. 
It controls the calling sequence of the individual software
modules and the relevant solver.
</span>

</p>

</p><hr class = "header"/></td></tr><tr><td class = "Intro2"><span class = "run-in">In this section:</span><br/><ul class = "ulthemes"><li><a title = "The program sequence of an optimization is the same independent of how Tosca Structure is started. You can either use Tosca Structure.gui or start Tosca Structure even in batch modus on the command line." href = "tso-c-usr-control-dataFlow.htm">Program Sequence and Data Flow of Tosca Structure</a></li><li><a title = "The program call in the command line and the corresponding options are described within this section." href = "tso-c-usr-control-commandLine.htm">Starting Tosca Structure from Command Line</a></li><li><a title = "Within this section, the logging functionality is described." href = "tso-c-usr-control-logging.htm">Logging</a></li><li><a title = "Solver interface related topics are discussed within this section." href = "tso-c-usr-control-solvInterf.htm">Solver Interface</a></li><li><a title = "Durability interface related topics are discussed within this section." href = "tso-c-usr-control-durab.htm">Durability Interface</a></li><li><a title = "Tosca Structure.report related topics are discussed." href = "tso-c-usr-control-report.htm">Tosca Structure.report Run</a></li><li><a title = "SIMULIA Tosca Structure will automatically call Tosca Structure.smooth if the parameter file contains a SMOOTH command." href = "tso-c-usr-control-autoSmooth.htm">Automatic Tosca Structure.smooth Run</a></li><li><a title = "Usually, an optimization requires several iterations. Wrong or incomplete definitions can be seen very early in the internal preprocessing of the optimization process. There are four different types of test levels available for controlling the optimization process. Note, that test levels 2-4 are not available for sensitivity-based topology optimization." href = "tso-c-usr-control-testOpt.htm">Testing the Optimization Process</a></li><li><a title = "An optimization is an iterative process that can run several hours or days depending on the size of the model. Different problems can arise during this process that can lead to a termination of the optimization task. Tosca Structure has a built-in restart functionality that can be used to avoid starting the complete optimization task again after a stop because of external factors. Optimization starts at the iteration where the interruption occurred. Tosca Structure's resume feature allows the user to continue a converged optimization with new convergence or stop criteria." href = "tso-c-usr-control-restart.htm">Restart and Resume Modes</a></li><li><a title = "Options to get help are described within this section." href = "tso-c-usr-control-help.htm">Help</a></li><li><a title = "A sequentially coupled temperature analysis can be carried out during optimization when using Abaqus or ANSYS® as finite element solver. A temperature calculation is carried out first, then its results are used as boundary conditions for the following finite element calculation." href = "tso-c-usr-control-seqTempAna.htm">Sequential Temperature Analysis</a></li><li><a title = "Multiple analyses might be made using the FEM_INPUT command in Tosca Structure parameter file. The results of all finite element calculations are summarized in one Tosca Structure results file with each finite element calculation being interpreted as a single load case." href = "tso-c-usr-control-arbitAnaSeq.htm">Arbitrary Analysis Sequence</a></li><li><a title = "The complete program is controlled by a system of variables. To allow user and model-specific variations, the necessary variables are loaded from several configuration files." href = "tso-c-usr-control-configuration.htm">Configuration</a></li><li><a title = "In Tosca Structure, scripts might be specified at several positions in the Tosca Structure optimization workflow." href = "tso-c-usr-control-script.htm">Script Entry Points</a></li><li><a title = "Within this section, some preprocessing-related topics are discussed." href = "tso-c-usr-control-optPreProc.htm">Optimization Preprocessing Modules</a></li><li><a title = "Within this section, some solver run related topics are described." href = "tso-c-usr-control-solver.htm">Solver Run</a></li><li><a title = "The optimization loop runs in batch mode. After preprocessing, the solver, the RES_2_VTM module, the optimization module (TOSCA_OPT), and FEM_MODIF module are started successively." href = "tso-c-usr-control-optModule.htm">Optimization Modules</a></li><li><a title = "Within this section, completion of the optimization process is described." href = "tso-c-usr-control-completion.htm">Completion of the Optimization Process</a></li></ul></td></tr></table></td></tr></table>




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